Finding the Fourth Proportional to 22,418.55, 30,938.22 and 12,348.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,418.55 : 30,938.22 = 12,348.09 : x
2. Step 2: Convert to fraction form
   22,418.55/30,938.22 = 12,348.09/x
3. Step 3: Cross multiply
   22,418.55x = 30,938.22 × 12,348.09
4. Step 4: Simplify right side
   22,418.55x = 382,027,925.00
5. Step 5: Solve for x
   x = 382,027,925.00/22,418.55
6. Step 6: Final answer
   x = 17,040.71